Bottle opener



FIG. 1 is a top plan view of a bottle opener;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left elevational view thereof, the right elevational view being a mirror image thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a rear perspective view thereof.

The broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a bottle opener, as shown and described. 